The Yellowstone Caldera

The Yellowstone Caldera is the volcanic caldera located in the United States, The Yellowstone Caldera sometimes referred to as the Yellowstone Supervolcano. The caldera is located in the northwest corner of Wyoming. The major features of the caldera measure about 55 by 72 km).
The caldera formed during the last of three supereruptions over the past 2.1 million years:

  • the Huckleberry Ridge eruption 2.1 million years ago (which created the Island Park Caldera and the Huckleberry Ridge Tuff);
  • the Mesa Falls eruption 1.3 million years ago (which created the Henry’s Fork Caldera and the Mesa Falls Tuff);
  • the Lava Creek eruption approximately 630,000 years ago (which created the Yellowstone Caldera and the Lava Creek Tuff).